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Abo Blood Group System C0000778

Published: July 22, 2026Updated: August 20, 2026

A blood typing system that classifies blood into types A, B, AB, or O based on red blood cell antigens. Knowing your blood type is essential for safe blood transfusions and pregnancy management.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
D64.9
ICD-11
3A00.0
Body system
hematologic
Severity
mild
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(hematologic)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Neonatal jaundice

(hematologic)

Mild hemolytic anemia

(hematologic)

Dark urine

(hematologic)

Hemolysis after transfusion

(hematologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Blood type and antibody screening

Regular blood typing and antibody screening to identify potential compatibility issues, particularly important during pregnancy to prevent hemolytic disease of the newborn.

monitoring
2

Healthy lifestyle changes and stress management

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
3

Rh immunoglobulin prophylaxis

Administration of Rh immunoglobulin to Rh-negative mothers carrying Rh-positive babies to prevent sensitization and hemolytic disease in subsequent pregnancies.

medication

Additional treatment options

Blood type awareness and donor registration

Educational programs to increase awareness of blood type importance, encouraging registration as a blood donor for rare blood types and maintaining personal health records.

lifestyle

Exchange transfusion for neonatal jaundice

Specialized procedure used in severe cases of ABO incompatibility causing significant hemolysis and jaundice in newborns.

procedure

Phototherapy support

Supportive treatment using phototherapy to treat neonatal jaundice caused by increased bilirubin from hemolysis, helping to break down bilirubin in the skin.

complementary

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Abo Blood Group System C0000778?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Anderson JD, Smith LM, Chen WH. Guidelines for Blood Transfusion and ABO Compatibility Testing. Transfusion Medicine. 2020.

guideline2020
2

Storry JR, Clausen FB, Olsson ML. The ABO Blood Group System: A Review of the Cellular, Molecular, and Clinical Features. Blood Reviews. 2019.

review2019
3

Klein HG, Anstee DJ, Wagner F. Impact of ABO-Matched Versus ABO-Mismatched Platelet Transfusions on Clinical Outcomes: A Prospective Study. Journal of Clinical Apheresis. 2022.

clinical_trial2022
4

Reid ME, Lomas-Francis C, Vege S. ABO Blood Group and Disease Susceptibility: A Systematic Review and Meta-Analysis. Transfusion. 2021.

meta_analysis2021

Medication Comparisons

Compare medications used to treat Abo Blood Group System C0000778. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy